Saskatchewan Air Brake Practice Questions - Saskatchewan Air Brake (Endorsement A) Exam

What is the function of a one-way check valve between reservoirs?

To prevent air from flowing back to the supply source if it leaks To allow the driver to bypass the governor cut-out To balance pressures between the front and rear brakes during application To automatically apply the trailer spring brakes

Correct Answer:

To prevent air from flowing back to the supply source if it leaks

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